Mastering Real Numbers

What is the sum of 3.5 and 2.7?

• 6.0

• 7.0

• 5.5

• 6.2

Calculate the difference between 5.8 and 2.3.

• 3.5

• 6.1

• 4.0

• 2.5

Multiply 4.2 by 3.1.

• 13.02

• 14.10

• 12.92

• 11.50

What is 7.5 divided by 2.5?

• 4

• 2

• 3

• 5

Find the result of 6.4 + (-3.2).

• 3.2

• 2.4

• 4.2

• 5.0

Subtract -4.5 from 2.1.

• 1.5

• 5.4

• 6.6

• -2.4

What is the product of -3 and 5?

• 3

• -5

• -15

• 15

Divide -12 by 4.

• -3

• -4

• 0

• 3

Calculate the sum of -2.5 and 3.5.

• 1.0

• 2.0

• -1.0

• 0.5

What is the result of 8.1 - 9.6?

• -1.5

• 0.5

• 1.5

• -2.0